//
//  HmacUtils.h
//  
//
//  Created by  on 16/7/22.
//  Copyright © 2016年 . All rights reserved.
//

#import <Foundation/Foundation.h>
#import <CommonCrypto/CommonDigest.h>
#import <CommonCrypto/CommonHMAC.h>

@interface HmacUtils : NSObject
//hmac
+ (NSString *)hmac:(NSString *)plaintext withKey:(NSString *)key;

//se
+(NSString*)getSeRandomkey;
@end
